The ceiling fans shall be of the Ultimate Header Box Series as designed by Fantech Pty Ltd. and be of the model number shown on the schedule/drawing.
Impellers shall be forward-curved centrifugal and driven by a squirrel cage motor with integral thermal protection.
They shall be fitted with high strength swing clips, removable spigot, low resistance non-return backdraft damper and removable clip-in diffuser. They shall include a plug and lead, and its housing and diffuser be made of injected moulded, fire retardant, ABS plastic. They shall be tested to ISO5801: 2007 for air flow and ISO3744: 2010 for noise.